Wire Resistance Calculator
Calculate wire resistance based on material, length, diameter, and temperature. Includes an AWG chart, resistivity data, and interactive physics visualizations.
February 9, 2026
PCB Tools
The ultimate all-in-one PCB tools and calculator hub. Access professional-grade utilities for circuit design, RF engineering, impedance matching, and manufacturing analysis. From basic Ohm’s Law to complex microwave propagation, get precise engineering results to optimize your hardware projects.
Antenna Length Calculator
Convert frequency to wavelength instantly. Use this tool to find the precise wire length for dipole and vertical antennas to ensure perfect SWR and resonance.
February 9, 2026
Wavelength Calculator
Convert frequency to wavelength, wavelength to frequency, or energy to wavelength. Features include electromagnetic spectrum visualization, formulas, and examples.
February 9, 2026
Antenna Gain Calculator
Quickly calculate the theoretical gain of a parabolic dish antenna with this interactive tool. Input your antenna diameter, frequency, and efficiency to instantly determine the gain in dBi. An essential resource for RF engineers and satellite communication enthusiasts to optimize signal focus and performance.
February 9, 2026
VSWR Calculator
Calculate VSWR, return loss, and reflection coefficient using power, impedance, or gamma. Includes a conversion chart, formulas, and RF engineering guides.
February 9, 2026
Attenuator Calculator
Calculate resistor values for Pi, T, and Bridged-T attenuators. Match impedance and achieve precise dB attenuation for your RF circuits with this free tool.
February 9, 2026
Noise Figure Calculator
Calculate cascaded noise figure and total gain using the Friis formula. Features multi-stage analysis, noise contribution charts, and RF system core concepts.
February 9, 2026
Low Pass Filter Calculator
Calculate the cutoff frequency for RC and RL low-pass filters. Features an interactive calculator, circuit diagrams, Bode plots, and core filter theory.
February 9, 2026
High Pass Filter Calculator
Calculate the cutoff frequency for an RC high-pass filter with our interactive tool. Includes a Bode plot, circuit diagram, and core HPF formulas for RF design.
February 9, 2026
Capacitor Discharge Calculator
Calculate and visualize RC circuit decay with our Capacitor Discharge Calculator. Get instant results for time constants (τ) and exponential voltage drop.
February 9, 2026